"Setting going" is a phrase that refers to initiating or starting something. The opposite of setting going could be ending or ceasing. Other antonyms for this phrase could include halting, stopping, pausing, or concluding. When we set something going, we usually take action to begin a process, so antonyms could also be passive words such as idle, stagnant, or immobile. In some cases, setting going may also be replaced by words like stillness, quietness, or calmness. When considering antonyms for setting going, it is important to focus on the actions and states that oppose starting and initiating.